198016208 has 20 divisors (see below), whose sum is σ = 413168868. Its totient is φ = 91392000.

The previous prime is 198016151. The next prime is 198016219. The reversal of 198016208 is 802610891.

It can be written as a sum of positive squares in 2 ways, for example, as 26091664 + 171924544 = 5108^2 + 13112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475793 + ... + 476208.

Almost surely, 2^198016208 is an apocalyptic number.

It is an amenable number.

198016208 is an abundant number, since it is smaller than the sum of its proper divisors (215152660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198016208 is a wasteful number, since it uses less digits than its factorization.

198016208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952022 (or 952016 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 198016208 is about 14071.8231938864. The cubic root of 198016208 is about 582.8635715865.

The spelling of 198016208 in words is "one hundred ninety-eight million, sixteen thousand, two hundred eight".